Squaric Acid Dibutyl Ester, 97%, Thermo Scientific Chemicals

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 2892-62-8
• Molecular Formula: C12H18O4
• Molecular Weight (g/mol): 226.27
• MDL Number: MFCD00037150
• InChI Key: XBRWELTXMQSEIN-UHFFFAOYSA-N
• Synonym: dibutyl squarate, 3,4-dibutoxy-3-cyclobutene-1,2-dione, squaric acid dibutyl ester, sadbe, squaric acid dibutylester, 3,4-di-n-butoxy-3-cyclobutene-1,2-dione, unii-4rto57vg65, 1,2-dibutyl squarate, 3-cyclobutene-1,2-dione, 3,4-dibutoxy, acmc-209h5p
• PubChem CID: 65108
• ChEBI: CHEBI:53612
• IUPAC Name: 3,4-dibutoxycyclobut-3-ene-1,2-dione
• SMILES: CCCCOC1=C(OCCCC)C(=O)C1=O

• Color: Colorless to Yellow
• Density: 1.0500g/mL
• Boiling Point: 121.0°C to 122.0°C (0.2 mmHg)
• Flash Point: >110°C
• Infrared Spectrum: Authentic
• Assay Percent Range: 96% min. (GC)
• Packaging: Glass bottle
• Refractive Index: 1.4930 to 1.4950
• Quantity: 5 g
• Merck Index: 15, 8897
• Specific Gravity: 1.05
• Solubility Information: Solubility in water: insoluble.
• Formula Weight: 226.27
• Percent Purity: 97%
• Physical Form: Liquid
• Chemical Name or Material: Squaric acid dibutyl ester

Safety and Handling

Product Identifier

• Squaric acid dibutyl ester

Signal Word

• Warning

Hazard Category

• Serious eye damage/eye irritation Category 2
• Respiratory sensitiser Category 1
• Skin corrosion/irritation Category 2

Hazard Statement

• H317-May cause an allergic skin reaction.
• H319-Causes serious eye irritation.
• H315-Causes skin irritation.

Precautionary Statement

• P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P302+P352-IF ON SKIN: Wash with plenty of water/.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

RUO – Research Use Only